Hitachi NR 90AD Technical Data And Service Manual page 34

Hold it with a wrench M6 when
tightening or removing the Hex.
Socket Hd. Bolt M6 x 22 [36].
Hex. Socket Hd.
Bolt M6 x 22 [36]
Nylon Nut M6 [74]
Nail Rail [84]
Needle Roller
D4 x 20 [82]
Nail Feeder Ass'y [88]
Front
(2) Nail Feeders (A) [79], (B) [81] and the related parts (See Fig. 24.)
[Tool required]
Roll pin puller (4 mm (0.157") dia.)
(a) Disassembly
Fix the Nail Feeder Ass'y [88] using a V-block and pull out the Roll Pin D4 x 32 [80] from the top using a roll
pin puller (4 mm (0.157") dia.). Then Nail Feeder (A) [79], Nail Feeder (B) [81] and Feeder Spring [85] can
be removed.
Remove Nail Feeder (A) [79] from Nail Feeder (B) [81] by twisting Nail Feeder (A) [79].
Nylon Nut M6 [74]
Handle Arm [73]
Roll Pin D3 x 8 [86]
Ribbon Spring [83]
Hook
Nylon Nut M6 [74]
Hooking portion
Fig. 23
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Sleeve [75]
Magazine Cover [76]
Rear
Protrusion
Hex. Socket Hd.
Bolt (W/Flange)
M6 x 12 [78]